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Black rectangular solar power bank with integrated panel and LED light

4XEM

4XEM 4XSOLARPWRBK 20000mAh solar power bank

SKU CH-D16J-ATV02 MPN 4XSOLARPWRBK

A 20000mAh lithium-polymer power bank with solar charging, six device connectors, a cable and an LED flashlight

  • 20000mAh capacity keeps devices running for days
  • solar charging replenishes power away from wall outlets
  • six included connectors fit most phones and tablets
  • built-in LED flashlight adds light in dark conditions
  • lithium-polymer battery stores energy in a compact form

20000mAh Solar Power Bank

The 4XEM 4XSOLARPWRBK is a 20000mAh lithium-polymer power bank designed for users who need portable charging away from wall outlets. It suits travellers and outdoor enthusiasts who want to keep phones, tablets and other mobile devices powered during extended trips.

Solar charging and passive operation

The unit harvests energy from sunlight to replenish its internal cell, so it operates without grid power or audible cooling. No fan or active thermal system is present, meaning silent performance and zero electrical draw from the mains while recharging in daylight.

Six device connectors and LED flashlight

Included connectors cover a wide range of legacy and current mobile brands, letting you plug in directly without carrying extra cables. A supplied charging cable provides a standard USB link, while the built-in LED flashlight adds a practical light source for campsite or emergency use.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 54% of the 1,307 comparable items (median $36.99).

Specifications

Size & build
Shipping weight1.45 kg
Package size229 × 89 × 25 mm

Questions about this item

How do I connect my phone to the 4XSOLARPWRBK using the included connectors?

Select the correct connector tip for your device, attach it to the charging cable, plug the cable into the power bank's USB port, then press the power button to start charging.

Will the 20000mAh lithium-polymer battery need replacement after a certain number of charge cycles?

Lithium-polymer cells gradually lose capacity over hundreds of cycles; the internal battery is not user-replaceable, so the entire unit is replaced when runtime becomes too short.

How long does it take to fully recharge the 20000mAh capacity using only the solar panel?

Solar recharge speed depends on sunlight intensity and panel size; in typical conditions it can take many hours or several days to reach full capacity from empty.

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